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Evergreen date guide

What is celebrated on July 11?

See the observances and verified observance-history milestones attached to July 11. Each observance keeps its own source and date details.

Verified history

On this date in observance history

Today in history →

Selected observance milestones connected to this date, based on reviewed sources.

2025
First observance

World Horse Day

UN News and official Mongolian material identify 11 July 2025 as the first World Horse Day.

2000
Later action

Stepmother's Day

Recorded and commended the Capuzzi family’s idea; did not establish a federal holiday.

1990
First observance

World Population Day

The United Nations states that the first World Population Day was marked on 11 July 1990 in more than 90 countries.

1987
Precursor

World Population Day

Interest generated by the Day of Five Billion led to the UNDP Governing Council establishing World Population Day in 1989 on the same calendar date.

1973
First observance

Feast Day of the Flemish Community

The Parliament chronology records July 11, 1973 immediately after the establishing decree as the agreed Flemish feast day.

1963
Institutional decision

Independence Day

Official government historical material gives the Cabinet decision date as 11 July 1963.

About this date

What this date contains

9 observances

Each observance is shown once in this view, with its own source and scope details available on the guide page.

0 repeat predictably

0 use a fixed annual date and 0 follow a reusable calendar rule.

0 are edition-specific

These dates are shown only for the year or edition that has been confirmed.

1 have a country-specific scope

Country-specific observances are not presented as worldwide events.

9 have in-depth guides

These pages include reviewed meaning, history, activities, facts and FAQs.

Curated global anchors

Major global guides on July 11

See the collection →

A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.

Source-backedFixed AnnualIn-depth guide

World Population Day

11 July · United Nations / international observance

A/RES/45/216

Reviewed depth

Other in-depth guides on July 11

Source-backedFixed AnnualIn-depth guide

All-American Pet Photo Day

11 July · Informal pet-awareness calendar usage documented by a veterinary institution

The Animal Medical Center repeatedly lists All-American Pet Photo Day on July 11 in annual pet-holiday calendars.

Source-backedFixed AnnualIn-depth guide

Feast Day of the Flemish Community

11 July annually · Flemish Community of Belgium / official community feast day

The Government of Flanders identifies 11 July as the official feast day of the Flemish Community.

Source-backedRule Based AnnualIn-depth guide

International Skinny Dip Day

Second Saturday in July; 11 July 2026 · AANR / naturist recreation observance

The American Association for Nude Recreation states that International Skinny Dip Day is held on the second Saturday of July and identifies 11 July as the 2026 date.

Source-backedFixed AnnualIn-depth guide

National Blueberry Muffin Day

11 July · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council identifies July 11 as National Blueberry Muffin Day in multiple industry materials.

Source-backedFixed AnnualIn-depth guide

National Culture and Senior Citizens Day

11 July as the named day; government may designate an in-lieu working-day holiday in a given year · Kiribati national public-holiday and cultural context

Kiribati’s Public Service Office lists the observance in the national public-holiday calendar, while the Ministry of Internal Affairs cultural division explains that it merged earlier cultu…

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Topics represented on July 11

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Animals, Nature & Environment 2Community, Causes & Advocacy 2Civic, Remembrance & History 1Arts, Entertainment & Lifestyle 1Food, Drink & Hospitality 1Celebrations & Social 1Health, Wellness & Awareness 1
9 observances

All observances on this date

Source-backedFixed AnnualIn-depth guide

All-American Pet Photo Day

11 July · Informal pet-awareness calendar usage documented by a veterinary institution

The Animal Medical Center repeatedly lists All-American Pet Photo Day on July 11 in annual pet-holiday calendars.

Source-backedFixed AnnualIn-depth guide

Feast Day of the Flemish Community

11 July annually · Flemish Community of Belgium / official community feast day

The Government of Flanders identifies 11 July as the official feast day of the Flemish Community.

Source-backedRule Based AnnualIn-depth guide

International Skinny Dip Day

Second Saturday in July; 11 July 2026 · AANR / naturist recreation observance

The American Association for Nude Recreation states that International Skinny Dip Day is held on the second Saturday of July and identifies 11 July as the 2026 date.

Source-backedFixed AnnualIn-depth guide

National Blueberry Muffin Day

11 July · United States / blueberry-industry observance

The U.S. Highbush Blueberry Council identifies July 11 as National Blueberry Muffin Day in multiple industry materials.

Source-backedFixed AnnualIn-depth guide

National Culture and Senior Citizens Day

11 July as the named day; government may designate an in-lieu working-day holiday in a given year · Kiribati national public-holiday and cultural context

Kiribati’s Public Service Office lists the observance in the national public-holiday calendar, while the Ministry of Internal Affairs cultural division explains that it merged earlier cultu…

Source-backedFixed AnnualIn-depth guide

World Benzodiazepine Awareness Day (W-BAD)

11 July annually · International / W-BAD awareness campaign

W-BAD first-party history verifies the November 2015 campaign concept, Wayne Douglas’s founder role, an inaugural 11 July 2016 observance and the July 11 Heather Ashton birthday rationale;…

Source-backedFixed AnnualIn-depth guide

World Horse Day

11 July · United Nations / international observance

A/RES/79/291

Source-backedFixed AnnualIn-depth guide

World Population Day

11 July · United Nations / international observance

A/RES/45/216

How dates are selected

This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.

Read the methodology →